17 Penny Croft Harpenden Hertfordshire AL5 2PD Data via plota.co.uk
Proposal
Two storey front extension, two storey rear extension, changes to existing facades, new bike store, new garden room, and associated landscaping Data via plota.co.uk
Application progress
Approved on 16 Dec 2025 · Delegated · Last checked 11 Oct 2026
Site constraints 3
Checked on 11 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £1,395,000 in November 2024. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in June 2019, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in St Albans - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- St Albans
- Application type
- HSE
- Postcode
- AL5 2PD
- Received
- 3 Oct 2025
- Validated
- 6 Oct 2025
- Ward
- Harpenden South
- Parish
- HARPENDEN TOWN
- Case officer
- Show
- Target decision
- 22 Nov 2025
- Decision
- DC3 Conditional Permission
- Decision date
- 16 Dec 2025
- Decision level
- Delegated
- Appeal
- Dismissed · 11 Mar 2026 · Written Representations · Inspectorate case 6003186 ↗
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 71 days from validation, 6 days faster than St Albans's median of 77 for extensions. Approved, as 85% of extensions here are.
Plota live figures for extensions decided by St Albans in the last twelve months, from validation. St Albans decision record →
Consultation & key dates
- Alt. reference
- 317500PLN
- Planning Portal ref
- 14381764
- Comments by
- 22 Nov 2025
- Site or press notice
- 30 Oct 2025
- Statutory expiry
- 30 Nov 2025
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
St Albans is one of the slowest councils in England for householder decisions, ranking #285 out of 296. The council extends the time limit on 64% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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17 Penny Croft Harpenden Hertfordshire AL5 2PD
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